The 2019–20 New Mexico Lobos men's basketball team represented the University of New Mexico during the 2019–20 NCAA Division I men's basketball season.

The Lobos were led by third-year head coach Paul Weir.

They played their home games at The Pit, formally known as Dreamstyle Arena, in Albuquerque, New Mexico as members of the Mountain West Conference.

They defeated San Jose State in the first round of the Mountain West tournament before losing in the quarterfinals to Utah State.

In the Mountain West tournament, they defeated Wyoming in the first round[1] before losing to Utah State.